{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858187,-0.513338,0.000000,0.000000,0.262684,-0.439149,0.859154,0.000000,-0.440257,0.736012,0.514256,0.000000,-2810510.692689,4698547.628097,3260927.168916,1],    "boundingVolume": {    "region": [2.109784,0.540078,2.109948,0.540203,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129888.b3dm"}}}